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Influence of substrate temperature on the optical properties of evaporated films of pentacene

โœ Scribed by K.O. Lee; T.T. Gan

Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
474 KB
Volume
51
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

Pentacene films on quartz were prepared by vapour deposition at various substrate temperatures and their absorption spectra measured. Absorption spectroscopic observations show that the organic fdms prepared at high substrate temperatures are homogeneous, consisting of fair size crystabites oriented with their a&planes parallel to the substrate surface. The homogeneity and crystallite size decrease with decreasing substrate temperature, leading to amorphous films being produced at temperatures below -90ยฐC.

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